ORDx+Rx Co-Founder and Principal Consultant Dr. Alexander Hannenberg recently educated the medical community on the history of pulse oximetry, and its recent innovations. The webinar, “Pulse Oximetry – Then & Now,” was presented by Nihon Kohden University, and covers the history of pulse oximetry, the career of Dr. Takuo Aoyagi, the safety revolution in anesthesiology, the global oximetry gap, and oximetry during the COVID-19 pandemic. Information about the webinar can be accessed here, and the full webinar is available for free here.